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2021
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ProMaster City SLT
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Repair and Diagnosis
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Engine Performance
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System
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2.4L - DTCS P0633 To P1205
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DTC Troubleshooting
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P112B - O2 Sensor 1/1 Pumping OVERCURRENT
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects an overcurrent condition on the internal driver for the O2 Sensor 1/1 Pump Current circuit.